diff --git a/.github/.keep b/.github/.keep
new file mode 100644
index 0000000..e69de29
diff --git a/README.md b/README.md
index cab3c08..76507d5 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,4 @@
+[![Review Assignment Due Date](https://classroom.github.com/assets/deadline-readme-button-22041afd0340ce965d47ae6ef1cefeee28c7c493a6346c4f15d667ab976d596c.svg)](https://classroom.github.com/a/W3nV4mdD)
 # Banking management
 
 ## Overview
diff --git a/pnpm-lock.yaml b/pnpm-lock.yaml
index 8a8b2f2..d722b73 100644
--- a/pnpm-lock.yaml
+++ b/pnpm-lock.yaml
@@ -866,4 +866,4 @@ snapshots:
   why-is-node-running@2.3.0:
     dependencies:
       siginfo: 2.0.0
-      stackback: 0.0.2
+      stackback: 0.0.2
\ No newline at end of file
diff --git a/src/__tests__/helpers/TestFactory.ts b/src/__tests__/helpers/TestFactory.ts
index ba68f35..a437025 100644
--- a/src/__tests__/helpers/TestFactory.ts
+++ b/src/__tests__/helpers/TestFactory.ts
@@ -42,7 +42,7 @@ export class TestFactory {
     };
   }
 
-  static createBank(options?: { isNegativeAllowed?: boolean }): Bank {
+  static createBank(options: { isNegativeAllowed: boolean }): Bank {
     return Bank.create(options);
   }
 
diff --git a/src/models/bank-account.ts b/src/models/bank-account.ts
new file mode 100644
index 0000000..d1ec25a
--- /dev/null
+++ b/src/models/bank-account.ts
@@ -0,0 +1,19 @@
+import { BankAccountId } from "@/types/Common";
+
+export default class BankAccount {
+    id:string
+    private balance:number
+
+    constructor(initialBalance: number){
+        this.balance = initialBalance
+        this.id = this.generateId();
+    }
+
+    private generateId(): BankAccountId {
+        return Math.random().toString(36).substr(2, 9);
+    }
+    
+    getId(): BankAccountId {
+        return this.id;
+    }
+}
\ No newline at end of file
diff --git a/src/models/bank.ts b/src/models/bank.ts
new file mode 100644
index 0000000..36cde60
--- /dev/null
+++ b/src/models/bank.ts
@@ -0,0 +1,28 @@
+import BankAccount from './bank-account';
+
+export default class Bank {
+  constructor() {
+    let bankId;
+  }
+
+  static create(options?: { isNegativeAllowed: boolean }): Bank {
+    return new Bank();
+  }
+
+  getId() {
+    return 1;
+  }
+
+  createAccount(initialBalance: number): BankAccount {
+    return new BankAccount(initialBalance);
+  }
+
+  send(
+    senderUserId: string,
+    receiverUserId: string,
+    amount: number,
+    bankId?: number
+  ): void {
+    // Implementation of the send method
+  }
+}
diff --git a/src/models/user.ts b/src/models/user.ts
new file mode 100644
index 0000000..a0dbfef
--- /dev/null
+++ b/src/models/user.ts
@@ -0,0 +1,29 @@
+import { UserId, BankAccountId } from '@/types/Common';
+
+export default class User {
+  private id: UserId;
+  private name: string;
+  private accountIds: BankAccountId[];
+
+  constructor(name: string, accountIds: BankAccountId[]) {
+    this.id = this.generateId();
+    this.name = name;
+    this.accountIds = accountIds;
+  }
+
+  static create(name: string, accountIds: BankAccountId[]): User {
+    return new User(name, accountIds);
+  }
+
+  private generateId(): UserId {
+    return Math.random().toString(36).substr(2, 9);
+  }
+
+  getId(): UserId {
+    return this.id;
+  }
+
+  getAccountIds(): BankAccountId[] {
+    return this.accountIds;
+  }
+}
\ No newline at end of file
diff --git a/src/services/GlobalRegistry.ts b/src/services/GlobalRegistry.ts
new file mode 100644
index 0000000..6be4bdf
--- /dev/null
+++ b/src/services/GlobalRegistry.ts
@@ -0,0 +1,3 @@
+export default class GlobalRegistry {
+  static clear() {}
+}
diff --git a/src/services/TransactionService.ts b/src/services/TransactionService.ts
new file mode 100644
index 0000000..aa3a48c
--- /dev/null
+++ b/src/services/TransactionService.ts
@@ -0,0 +1,3 @@
+export default class TransactionService{
+    
+}
\ No newline at end of file
diff --git a/src/types/Common.ts b/src/types/Common.ts
new file mode 100644
index 0000000..e79c6a6
--- /dev/null
+++ b/src/types/Common.ts
@@ -0,0 +1,2 @@
+export type BankAccountId = string;
+export type UserId = string;
\ No newline at end of file
diff --git a/tsconfig.json b/tsconfig.json
index 12e1b9f..0ff6204 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -2,7 +2,7 @@
   "compilerOptions": {
     "baseUrl": "src", // Set the base URL to the src directory
     "paths": {
-      "@/*": ["*"] // Optional: Map '@/' to the src directory
+      "@/*": ["*","src"] // Optional: Map '@/' to the src directory
     }
   }
 }
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